Which command displays the contents of the /var/adm/wtmp file？（） view。 strings。 /usr/sbin/viwtmp。 /usr/sbin/acct/fwtm。
You work as a database administrator for Supportcenter.cn. On a Monday morning， you find the database instance aborted. After inspecting the alert log file， you execute the STARTUP command in SQL*Plus to bring the instance up. What statement is true？（） PMON coordinates media recovery.。 SMON coordinates instance recovery.。 PMON coordinates instance recovery.。 Undo Advisor would roll back all uncommitted transactions.。 SQL*PLUS reports an error with the message asking you to perform instance recovery.。
A customer is running system management software on one of their Windows xSeries servers， and the software seems to slow down their database application over time. The customer is running IBM Director in their environment. Which IBM Director tool can they utilize to guarantee processor time for the different applications and optimize the server performance？（） Software Rejuvenation。 Capacity Manager。 Capacity Workload Manager。 Aurema Application Workload Manager。
浇水技术要点
Which of the following are valid settings for the NLS_COMP parameter？（） ASCII。 ANSI。 BINARY。 MONOLINGUAL。 MULTILINGUAL。
一台旋转机械工作转速为900r/min，则主激励频率为（）。
